Question

I know that if A is more reactive than B
then- metal A + salt of metal B = metal B + salt of metal A
What would happen if B is more reactive than A ?
And how ?
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Answer 1

If metal B is more reactive than metal A. metal A + salt of metal B = metal B + salt of metal A Then above reaction will not occur. This is a displacement reaction, in which more rective displaces the less reactive element from its salt.